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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1446 or B1447 >> Diagnostic Fault Information
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Diagnostic Fault Information

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Backup Battery B+ - B1447 04 - -
Backup Battery Low Reference - B1447 04 - -
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